HAND WIRED
GUITAR AMPLIFIERS
IMPORTANT SAFETY
INSTRUCTIONS
This Hayden amplifier has been designed to provide
you with many years of faithful service – on the road,
in a studio or in a domestic environment. By following
the rules set out below, you will ensure that the unit
functions safely.
Valve (tube) instrument amplifiers contain very high
voltages and fragile glass tubes and should therefore be
handled with care. A number of important precautions
which must be observed are set out below.
Before using the amplifier, run through the check list below.
If you are in any doubt about any aspect of the amplifier’s
operation, stop using it immediately and do not resume
operation until the amplifier has been thoroughly inspected
by a qualified technician.
1) Storage and moving
When your amplifier is not in use make sure that the power
cord is unplugged from the mains outlet, and that all leads
are removed from the amplifier, including jack leads and
footswitch leads. Jack socket connectors are self-cleaning,
so the process of plugging in and unplugging the leads
when not in use will ensure that the internal contacts will
be cleaned when you plug in again.
Store your amplifier in a warm, dry place away from
moisture and condensation. A motor vehicle or cellar may
look dry but condensation can form inside the unit causing
short circuits and possible electric shock. If you suspect the
amplifier may have become exposed to moisture, move it to
a warm dry place and leave it to dry out for at least 48
hours before attempting to use it.
Condensation can also occur when you move the amplifier
from a hot humid place (such as a nightclub) to a cold
place (like a motor vehicle). In such instances, always move
the amplifier into a warm dry room to prevent damage.
When moving the amplifier, handle it as carefully as you
would your instruments. Although solidly built, an amplifier is
easily damaged by shock, so be careful not to drop it or
allow it to fall over. Use a protective cover to protect the
finish and, if you are transporting it with other equipment,
make sure that the amplifier is on a solid floor at the bottom
of the pile. When returning your MoFo to its gigbag, always
ensure that the control knobs are facing upwards, ie that the
amplifier rests on its back panel when in the gigbag.
Amplifiers are heavy. Take care when lifting, always use the
handles fitted to the amplifier to move it, and get help if
you have to lift the amplifier to a greater height than you
feel comfortable with.
Never attempt to operate the amplifier after it has been
dropped. Take it to a qualified technician and have it
checked before using it again.
2) Leads and plugs
Your amplifier contains possibly lethal voltages and must
therefore be connected to the mains using the correct power
cord, which is a three terminal type with a ground connection.
The power cord supplied with the unit should be of the
correct type. If it does not fit your mains outlet consult your
dealer or a qualified electrician for advice before attempting
to use the amplifier.
Never modify the power cord or attempt to use it with a two
pin outlet. Store all your leads in a dry case and take care
when packing them away. All leads, including guitar leads,
are easily damaged with careless handling, so it is a good
idea to carry a spare lead of every type you use. Flexible
power cords get damaged very easily. At the first sign of
damage, discard it and purchase a new one. Always
replace the power cord with one of the same type. Moulded
cords are the best choice with both plugs permanently
fitted to the cord.
When using your amplifier and other equipment it is a good
idea to connect to the supply using a unit known as an
R.C.D. These units are not expensive and offer the user
additional protection against electric shock. An electrical
shop should be able to supply you with a suitable unit.
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